Now edit your configuration to use those three values ( Kp is p_factor, Ki is i_factor, Kd is d_factor ), reset, and temperature control should work much better. (Also M301 can be used to set the PID values and saved with M500)

Alternatively, you can also enter the following G-code :

M500

Which will save the configuration values automatically in a configuration override file.

Network

Do not send M303 over the web interface, use Telnet, Pronterface or any other serial terminal. If sent over the web, the answers will accumulate in Smoothie's RAM and may crash it.

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